Why should excess alkali be avoided in the test for acetic acid and benzoic acid using FeCl3 solution?

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FeCl- Iron (III) chloride

2007-08-20 22:17:50 · 2 answers · asked by John Michael C 1 in Science & Mathematics ➔ Chemistry

As soon as you have excess alkali, all you will get is a pile of rust:

Fe3+ + 3OH- -----> Fe(OH)3

2007-08-21 00:59:38 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋

Unless you want the formation of iron hydroxide.........

2007-08-20 22:34:33 · answer #2 · answered by Bananaman 5 · 0⤊ 0⤋